Alias /redmine/ "/opt/Redmine/apps/redmine/htdocs/public/"
Alias /redmine "/opt/Redmine/apps/redmine/htdocs/public"
 
<Directory "/opt/Redmine/apps/redmine/htdocs/public">
    Options -MultiViews
    <IfVersion < 2.3 >
    Order allow,deny
    Allow from all
    </IfVersion>
    <IfVersion >= 2.3>
    Require all granted
    </IfVersion>
    SetEnv RAILS_RELATIVE_URL_ROOT "/redmine"
    PassengerAppRoot "/opt/Redmine/apps/redmine/htdocs"
</Directory>


PassengerPreStart http://127.0.0.1:8080/redmine